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			<h1>common_schema</h1> <strong>2.2</strong> documentation
			<div class="subtitle">DBA's framework for MySQL</div>
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				<h2><a href="duplicate_grantee.html">duplicate_grantee</a></h2>	
<h3>NAME</h3>
duplicate_grantee(): Create new account (grantee), identical to given account

<h3>TYPE</h3>
Procedure

<h3>DESCRIPTION</h3>
<p>
	Given an existing GRANTEE anda new one, duplicate existing GRANTEE, along with all
	applied set of privileges and password, to new account, creating the new account if necessary.
</p>
<p>
	This is essentially a Copy+Paste of an account.
</p>
<p>
	The new account is generated via <strong>GRANT</strong> commands. For clarification, there
	is no direct tampering with the <strong>mysql</strong> system tables (no DML used).
</p>

<h3>SYNOPSIS</h3>
<p>
<blockquote><pre>duplicate_grantee(
    IN existing_grantee TINYTEXT CHARSET utf8,
    IN new_grantee TINYTEXT CHARSET utf8
  ) 
  MODIFIES SQL DATA</pre></blockquote>
</p>
<p>
  Input:
  <ul>
    <li>
    	<strong>existing_grantee</strong>: an existing account/GRANTEE name.
    	An error is thrown when no such account is found.
	</li>
    <li>
    	<strong>new_grantee</strong>: name for new account. 
    	<br/>The new account is created, if not existing.
    	<br/>In case this account already exists, it is <i>added</i> the set of privileges
    	applying to <strong>existing_grantee</strong>, and its password is updated. 
	</li>
  </ul>
  Both <strong>existing_grantee</strong> and <strong>new_grantee</strong> can be provided in
  <i>relaxed</i> format: <strong>'web_user@10.0.0.%'</strong> is a valid input, and is
  implicitly translated to "<strong>'web_user'@'10.0.0.%'</strong>", which is the fully
  qualified account name.
</p>

<h3>EXAMPLES</h3>
	<p>
		Duplicate an account, creating a new GRANTEE. Verify operation's result:
	<blockquote><pre>mysql&gt; SELECT * FROM similar_grants WHERE sample_grantee like '%apps%';
+----------------+----------------+------------------+
| sample_grantee | count_grantees | similar_grantees |
+----------------+----------------+------------------+
| 'apps'@'%'     |              1 | 'apps'@'%'       |
+----------------+----------------+------------------+

mysql&gt; call duplicate_grantee('apps@%', 'apps@myhost');
Query OK, 0 rows affected (0.16 sec)

mysql&gt; SELECT * FROM similar_grants WHERE sample_grantee like '%apps%';
+----------------+----------------+----------------------------+
| sample_grantee | count_grantees | similar_grantees           |
+----------------+----------------+----------------------------+
| 'apps'@'%'     |              2 | 'apps'@'%','apps'@'myhost' |
+----------------+----------------+----------------------------+

mysql&gt; SHOW GRANTS FOR 'apps'@'%';
+---------------------------------------------------------------------------------------------------------------------+
| Grants for apps@%                                                                                                   |
+---------------------------------------------------------------------------------------------------------------------+
| GRANT USAGE ON *.* TO 'apps'@'%' IDENTIFIED BY PASSWORD '*6BB4837EB74329105EE4568DDA7DC67ED2CA2AD9'                 |
| GRANT SELECT, INSERT, UPDATE, DELETE ON `test`.* TO 'apps'@'%'                                                      |
| GRANT SELECT (title, description, film_id), UPDATE (description) ON `sakila`.`film` TO 'apps'@'%' WITH GRANT OPTION |
+---------------------------------------------------------------------------------------------------------------------+
3 rows in set (0.00 sec)

mysql&gt; SHOW GRANTS FOR 'apps'@'myhost';
+--------------------------------------------------------------------------------------------------------------------------+
| Grants for apps@myhost                                                                                                   |
+--------------------------------------------------------------------------------------------------------------------------+
| GRANT USAGE ON *.* TO 'apps'@'myhost' IDENTIFIED BY PASSWORD '*6BB4837EB74329105EE4568DDA7DC67ED2CA2AD9'                 |
| GRANT SELECT, INSERT, UPDATE, DELETE ON `test`.* TO 'apps'@'myhost'                                                      |
| GRANT SELECT (title, description, film_id), UPDATE (description) ON `sakila`.`film` TO 'apps'@'myhost' WITH GRANT OPTION |
+--------------------------------------------------------------------------------------------------------------------------+
</pre></blockquote>
	</p>




<h3>ENVIRONMENT</h3>
MySQL 5.1 or newer

<h3>SEE ALSO</h3>
<a href="match_grantee.html">match_grantee()</a>,
<a href="mysql_grantee.html">mysql_grantee()</a>,
<a href="similar_grants.html">similar_grants</a>,
<a href="sql_accounts.html">sql_accounts</a>

<h3>AUTHOR</h3>
Shlomi Noach
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